No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 12.96 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Advanced | 7.52 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 12.96 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Advanced | 7.52 minutes |